Set svn:eol-style on graphs.lua


git-svn-id: http://corsix-th.googlecode.com/svn/trunk@1884 c39591fa-788f-11de-a72b-d90af8dea425
Updated the changelog.

git-svn-id: http://corsix-th.googlecode.com/svn/trunk@1890 c39591fa-788f-11de-a72b-d90af8dea425
Merge remote-tracking branch 'upstream/master'
Support Visual Studio